Home / 35,578.90-49,095.48-19,660.78

Finding the Fourth Proportional to 35,578.90, 49,095.48 and 19,660.78

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Solution

The fourth proportional to 35,578.90, 49,095.48 and 19,660.78 is: 27,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,578.90 : 49,095.48 = 19,660.78 : x
  2. Step 2: Convert to fraction form
    35,578.90/49,095.48 = 19,660.78/x
  3. Step 3: Cross multiply
    35,578.90x = 49,095.48 × 19,660.78
  4. Step 4: Simplify right side
    35,578.90x = 965,255,431.27
  5. Step 5: Solve for x
    x = 965,255,431.27/35,578.90
  6. Step 6: Final answer
    x = 27,130.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.